Nervous System Spinal Cord 🩺

Question 1

Cervical nerves

Answer 1

1-8

Cervical enlargement = I put from arms

Question 2

Thoracic nerves

Answer 2

1-12

Question 3

Lumber nerves

Answer 3

1-5

Throralolumber enlargement = I put from legs

Question 4

Sacral nerves

Answer 4

1-5

Fused vertebrae

Question 5

Coccygeal nerve

Answer 5

Very bottom of sp fused

Question 6

Horse tail aka

Answer 6

Cauda quina

Question 7

How many pairs of nerves

Answer 7

31

Question 8

Function of the Filum terminate externum

Answer 8

To anchor sp to coexist

Question 9

Dorsal rootlet

Answer 9

Pns to cns

Question 10

Ventral rootlet

Answer 10

Cns to pns

Question 11

Spinal nerve

Answer 11

Dorsal + ventral

Question 12

Meisners corpuscle

Answer 12

Touch

Question 13

Pacinian corpuscle

Answer 13

Pressure

Question 14

Dorsal root =

Answer 14

Sensory inputs

Question 15

Touch and pressure

Peripheral nerve

Answer 15

Myelin 50 m/s = rapid and frequent firing rates

Question 16

A free nerve ending -

Answer 16

No captual

Question 17

Pain and temperature

Answer 17

No myelin and speed of 1m/s (slow)= doesn’t fire often

Question 18

Name for 3and 4

Answer 18

Nucleus proprius

Question 19

Lateral column =

Answer 19

Motor information

Question 20

Cuneate fafscicicsli

Answer 20

Arms / white matter

Question 21

Gracile fascicule =

Answer 21

Legs info

Question 22

1 and 2 -

Answer 22

Unmylionated = no coloured

Question 23

Opioids act on areas….

Answer 23

1 and 2 as theses are the areas that receive stimulus of pain and tem

Question 24

Pain and tem go through …

Answer 24

Tract of lissauer also 3rd passing through the anterior white comminsure spinal segmental level.

Question 25

Why has the sp have levels of convergence

Answer 25

So that many neutrons can synapse onto one neurone and therefore this allows the sp to remain small